/* ══════════════════════════════════════════════════════════════════════
   Routey — shared stylesheet
   One design system for the landing page, manual, privacy & license pages.

   ROADMAP TAGS: features not yet shipped are marked with a version badge,
   e.g. <span class="badge badge-v1">Coming in V1.0</span>. As each feature
   ships, delete its badge span. Variants: badge-v1 (V1.0 iPhone),
   badge-v11 (V1.1 watchOS), badge-v12 (V1.2 CarPlay), badge-live (shipped).
   ══════════════════════════════════════════════════════════════════════ */

/* ── Reset & Tokens ───────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:         #0a0c12;
  --surface:    #11141d;
  --surface-2:  #181c28;
  --surface-3:  #1f2433;
  --border:     #232838;
  --border-hi:  #343b52;
  --text:       #eef0f4;
  --text-dim:   #9aa1b2;
  --text-faint: #828a9f;
  --accent:     #ef4444;   /* postal red */
  --accent-hov: #dc2626;
  --blue:       #4f8df9;   /* route blue */
  --green:      #34d399;
  --amber:      #fbbf24;
  --radius:     14px;
  --radius-sm:  10px;
  --mono:       "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --measure:    68ch;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: #ef444455; }

a { color: inherit; }

/* visible keyboard focus on every interactive element (WCAG 2.4.7) */
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 4px; }

/* ── Typography ──────────────────────────── */
h2 {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h3 { font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; }

.mono { font-family: var(--mono); }

/* inline route-data chip — tie-out codes, slot labels, .routey, postal codes */
.data {
  font-family: var(--mono);
  font-size: 0.86em;
  font-weight: 600;
  padding: 0.08em 0.42em;
  border-radius: 5px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--blue);
  white-space: nowrap;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 1rem;
}
.section-label::before {
  content: "";
  width: 1.5rem;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-intro {
  color: var(--text-dim);
  max-width: 600px;
  margin-top: 1rem;
  font-size: 1.05rem;
}

/* ── Layout ──────────────────────────────── */
.container { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 1.5rem; }
section { padding: 6rem 0; position: relative; }
section + section { border-top: 1px solid var(--border); }

/* ── Nav ─────────────────────────────────── */
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(10, 12, 18, 0.78);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s;
}
.nav-wrap.scrolled { border-bottom-color: var(--border); }

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  max-width: 1120px;
  margin: 0 auto;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}
.logo-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #b91c1c);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px #ef444440;
}
.logo-mark svg { width: 1.15rem; height: 1.15rem; stroke: #fff; }
.logo .logo-text em { font-style: normal; color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }

.nav-cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text) !important;
  border: 1px solid var(--border-hi);
  border-radius: 8px;
  padding: 0.45rem 1.05rem;
  transition: border-color 0.2s, background 0.2s;
}
.nav-cta:hover { border-color: var(--accent); background: #ef44440f; }

@media (max-width: 720px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

/* ── Badge system (ROADMAP TAGS) ─────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  font-size: 0.64rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.24rem 0.6rem;
  border-radius: 30px;
  border: 1px solid;
  vertical-align: middle;
  white-space: nowrap;
}
.badge::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
}
.badge-v1   { color: var(--accent); border-color: #ef444440; background: #ef44441a; }
.badge-v11  { color: var(--green);  border-color: #34d39940; background: #34d3991a; }
.badge-v12  { color: var(--amber);  border-color: #fbbf2440; background: #fbbf241a; }
.badge-live { color: var(--green);  border-color: #34d39955; background: #34d39922; }
.badge-live::before { box-shadow: 0 0 7px var(--green); }
.badge-future { color: var(--text-dim); border-color: var(--border-hi); background: var(--surface-2); }

/* legend row that explains the tags */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.4rem;
  margin-top: 1.75rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.84rem;
  color: var(--text-dim);
  align-items: center;
}
.legend .legend-item { display: inline-flex; align-items: center; gap: 0.55rem; }

/* ── Hero (landing) ──────────────────────── */
.hero {
  padding: 5.5rem 0 5rem;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, #ef444418 0%, #4f8df910 40%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3.5rem; }
  .hero-copy { text-align: center; }
  .hero .pill-row, .hero .btn-row { justify-content: center; }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 50px;
  padding: 0.4rem 1rem;
  margin-bottom: 1.5rem;
}
.hero-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2.2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.04;
  margin-bottom: 1.4rem;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent) 10%, #f97316 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .subtitle {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  color: var(--text-dim);
  max-width: 520px;
  margin-bottom: 2.25rem;
}
@media (max-width: 880px) { .hero .subtitle { margin-left: auto; margin-right: auto; } }

.pill-row { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 2.25rem; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.79rem;
  font-weight: 600;
  padding: 0.38rem 0.95rem;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-dim);
}
.pill svg { width: 0.95rem; height: 0.95rem; }
.pill.ios     { color: var(--blue);  border-color: #4f8df938; }
.pill.watch   { color: var(--green); border-color: #34d39938; }
.pill.carplay { color: var(--amber); border-color: #fbbf2438; }

/* ── Sub-page hero (manual / privacy / license) ── */
.subhero {
  padding: 3.5rem 0 2.5rem;
  position: relative;
}
.subhero::before {
  content: "";
  position: absolute;
  top: -160px;
  left: 50%;
  transform: translateX(-50%);
  width: 760px;
  height: 460px;
  background: radial-gradient(ellipse at center, #ef44440f 0%, transparent 68%);
  pointer-events: none;
}
.breadcrumb {
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-bottom: 1.1rem;
}
.breadcrumb a { color: var(--text-dim); text-decoration: none; }
.breadcrumb a:hover { color: var(--text); }
.subhero h1 {
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
}
.subhero .lede {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 640px;
  margin-top: 1.1rem;
}
.subhero .meta {
  margin-top: 1.25rem;
  font-size: 0.82rem;
  color: var(--text-faint);
}

/* ── Buttons ─────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.9rem;
  border-radius: 11px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, border-color 0.2s, box-shadow 0.2s;
}
.btn svg { width: 1.05rem; height: 1.05rem; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 22px #ef444445;
}
.btn-primary:hover { background: var(--accent-hov); box-shadow: 0 8px 28px #ef444460; }

.btn-ghost {
  border: 1px solid var(--border-hi);
  color: var(--text);
  background: var(--surface);
}
.btn-ghost:hover { border-color: var(--text-faint); }

.btn-row { display: flex; gap: 0.85rem; flex-wrap: wrap; }

/* ── Device mockup ───────────────────────── */
.device-stage {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 1.5rem;
  position: relative;
}

.phone {
  width: 270px;
  border-radius: 36px;
  background: linear-gradient(160deg, #1d2230, #12151f);
  border: 1px solid var(--border-hi);
  padding: 10px;
  box-shadow: 0 30px 70px #00000080, 0 0 0 1px #ffffff08 inset;
}
.phone-screen {
  border-radius: 28px;
  background: var(--bg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.phone-notch {
  width: 86px; height: 22px;
  background: #000;
  border-radius: 0 0 14px 14px;
  margin: 0 auto;
}
.phone-body { padding: 0.9rem 0.9rem 1.1rem; }
.phone-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
}
.phone-title strong { font-size: 0.92rem; font-weight: 700; }
.phone-title small { font-size: 0.68rem; color: var(--text-faint); font-weight: 600; }

.next-stop {
  background: linear-gradient(135deg, #ef44441c, #4f8df914);
  border: 1px solid #ef444438;
  border-radius: 14px;
  padding: 0.8rem 0.9rem;
  margin-bottom: 0.7rem;
}
.next-stop .ns-label {
  font-size: 0.6rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.15rem;
}
.next-stop .ns-addr { font-size: 0.95rem; font-weight: 700; line-height: 1.3; }
.next-stop .ns-meta {
  display: flex; gap: 0.45rem; margin-top: 0.45rem; flex-wrap: wrap;
}
.ns-chip {
  font-size: 0.58rem; font-weight: 700;
  padding: 0.14rem 0.5rem;
  border-radius: 30px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.ns-chip.sig  { background: #fbbf2422; color: var(--amber); }
.ns-chip.dog  { background: #ef444422; color: var(--accent); }

.stop-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.35rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
}
.stop-row:last-child { border-bottom: none; }
.stop-row .check {
  width: 1.05rem; height: 1.05rem;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.stop-row.done { color: var(--text-faint); }
.stop-row.done .check { background: #34d39922; }
.stop-row.done .check svg { width: 0.62rem; height: 0.62rem; stroke: var(--green); }
.stop-row.todo .check { border: 1.5px dashed var(--border-hi); }
.stop-row .stop-addr { font-weight: 600; }
.stop-row .stop-kind { margin-left: auto; font-size: 0.6rem; color: var(--text-faint); font-weight: 600; }

.watch {
  width: 132px;
  border-radius: 34px;
  background: linear-gradient(160deg, #1d2230, #12151f);
  border: 1px solid var(--border-hi);
  padding: 8px;
  box-shadow: 0 22px 50px #00000070;
  margin-bottom: 1.6rem;
}
.watch-screen {
  border-radius: 26px;
  background: #000;
  padding: 0.85rem 0.75rem;
  border: 1px solid var(--border);
}
.watch-label {
  font-size: 0.52rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--green);
  margin-bottom: 0.2rem;
}
.watch-addr { font-size: 0.78rem; font-weight: 700; line-height: 1.25; margin-bottom: 0.55rem; }
.watch-btn {
  font-size: 0.6rem;
  font-weight: 700;
  text-align: center;
  background: #34d39926;
  color: var(--green);
  border-radius: 8px;
  padding: 0.34rem 0;
  margin-bottom: 0.32rem;
}
.watch-btn.alt { background: var(--surface-2); color: var(--text-dim); margin-bottom: 0; }

/* small "V1.1" ribbon over the watch mockup */
.device-stage .mock-tag {
  position: absolute;
  top: -0.4rem;
  right: 0;
}

@media (max-width: 480px) {
  .phone { width: 230px; }
  .watch { width: 112px; }
}

/* ── Stats strip ─────────────────────────── */
.stats {
  padding: 0;
  border-top: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}
@media (max-width: 680px) { .stats-grid { grid-template-columns: 1fr; } }
.stat {
  background: var(--bg);
  text-align: center;
  padding: 2.4rem 1.5rem;
}
.stat .stat-big {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.stat .stat-big em { font-style: normal; color: var(--accent); }
.stat p { font-size: 0.88rem; color: var(--text-dim); max-width: 280px; margin: 0 auto; }

/* ── Problem ─────────────────────────────── */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}

.pain-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: border-color 0.25s;
}
.pain-card:hover { border-color: var(--border-hi); }
.pain-card .pain-icon {
  width: 2.4rem; height: 2.4rem;
  border-radius: var(--radius-sm);
  background: #ef444414;
  border: 1px solid #ef444428;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.9rem;
}
.pain-card .pain-icon svg { width: 1.2rem; height: 1.2rem; stroke: var(--accent); }
.pain-card p { font-size: 0.93rem; color: var(--text-dim); }
.pain-card strong { color: var(--text); }

/* ── Features ────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}
@media (max-width: 980px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .features-grid { grid-template-columns: 1fr; } }

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.9rem;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  position: relative;
}
.feature-card:hover {
  border-color: var(--border-hi);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px #00000050;
}

.feature-card.flagship {
  grid-column: span 2;
  background: linear-gradient(135deg, #ef44440f, var(--surface) 55%);
  border-color: #ef44443a;
}
@media (max-width: 640px) { .feature-card.flagship { grid-column: span 1; } }

.feature-icon {
  width: 2.7rem; height: 2.7rem;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border-hi);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.feature-icon svg { width: 1.3rem; height: 1.3rem; stroke: var(--blue); }
.flagship .feature-icon { background: #ef444418; border-color: #ef44443a; }
.flagship .feature-icon svg { stroke: var(--accent); }

.feature-card h3 { margin-bottom: 0.55rem; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.feature-card p { font-size: 0.92rem; color: var(--text-dim); }

/* row of badges under a feature heading */
.card-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem; margin-bottom: 0.85rem; }

.tag {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.22rem 0.6rem;
  border-radius: 6px;
  margin-bottom: 0;
  background: #ef44441f;
  color: var(--accent);
}

/* ── Roadmap timeline ────────────────────── */
.roadmap {
  margin-top: 3rem;
  display: grid;
  gap: 1.25rem;
}
.release {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.9rem;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.75rem;
  transition: border-color 0.25s;
  position: relative;
  overflow: hidden;
}
.release::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
}
.release.r-v1::before  { background: var(--accent); }
.release.r-v11::before { background: var(--green); }
.release.r-v12::before { background: var(--amber); }
.release:hover { border-color: var(--border-hi); }
@media (max-width: 720px) { .release { grid-template-columns: 1fr; gap: 1rem; } }

.release-head .release-ver {
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.release.r-v1  .release-ver { color: var(--accent); }
.release.r-v11 .release-ver { color: var(--green); }
.release.r-v12 .release-ver { color: var(--amber); }
.release-head .release-platform {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-top: 0.2rem;
}
.release-head .release-status {
  display: inline-flex;
  margin-top: 0.85rem;
}
.release-body h3 { margin-bottom: 0.7rem; }
.release-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 1.5rem;
}
@media (max-width: 520px) { .release-list { grid-template-columns: 1fr; } }
.release-list li {
  font-size: 0.9rem;
  color: var(--text-dim);
  padding-left: 1.4rem;
  position: relative;
}
.release-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 0.5rem; height: 0.5rem;
  border-radius: 2px;
  background: var(--border-hi);
}
.release.r-v1  .release-list li::before { background: var(--accent); }
.release.r-v11 .release-list li::before { background: var(--green); }
.release.r-v12 .release-list li::before { background: var(--amber); }
.release-list li strong { color: var(--text); font-weight: 600; }

/* ── Mailbox cases (data-model showcase) ── */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}
@media (max-width: 760px) { .cases-grid { grid-template-columns: 1fr; } }
.case-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.25s;
}
.case-card:hover { border-color: var(--border-hi); }
.case-card h3 { margin-bottom: 0.5rem; }
.case-card p { font-size: 0.9rem; color: var(--text-dim); margin-bottom: 1rem; }
.case-flow {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
  line-height: 1.5;
  overflow-x: auto;
}
.case-flow .hl { color: var(--blue); }
.case-flow .hl-a { color: var(--accent); }
.case-flow .arrow { color: var(--text-faint); }

/* ── Privacy / promise callout band ──────── */
.promise {
  background:
    radial-gradient(ellipse at 30% 0%, #34d3990e, transparent 60%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.75rem;
}
.promise-item { display: flex; flex-direction: column; gap: 0.4rem; }
.promise-item .p-icon {
  width: 2.3rem; height: 2.3rem;
  border-radius: var(--radius-sm);
  background: #34d39914;
  border: 1px solid #34d39930;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}
.promise-item .p-icon svg { width: 1.2rem; height: 1.2rem; stroke: var(--green); }
.promise-item h3 { font-size: 1rem; }
.promise-item p { font-size: 0.88rem; color: var(--text-dim); }

/* ── How It Works ────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.75rem;
  counter-reset: step;
}
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }

.step {
  padding: 2rem 1.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  transition: border-color 0.25s;
}
.step:hover { border-color: var(--border-hi); }
.step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem; height: 2.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #b91c1c);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 1.1rem;
  box-shadow: 0 5px 16px #ef444440;
}
.step h3 { margin-bottom: 0.45rem; }
.step p { font-size: 0.92rem; color: var(--text-dim); }

/* ── Story ───────────────────────────────── */
.origin blockquote {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 2.25rem 2.5rem;
  margin: 2.25rem 0 0;
  font-size: 1.08rem;
  color: var(--text-dim);
  line-height: 1.75;
  max-width: 780px;
}
.origin blockquote strong { color: var(--text); }
.origin .attribution {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  color: var(--text-faint);
  font-size: 0.9rem;
  flex-wrap: wrap;
}
.origin .attribution .name { color: var(--text); font-weight: 700; }
@media (max-width: 640px) { .origin blockquote { padding: 1.5rem; font-size: 0.98rem; } }

/* ── CTA ─────────────────────────────────── */
.cta {
  text-align: center;
  padding: 7rem 0;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  bottom: -260px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse at center, #ef44441a 0%, transparent 65%);
  pointer-events: none;
}
.cta h2 { margin-bottom: 0.9rem; }
.cta p {
  color: var(--text-dim);
  margin: 0 auto 2.4rem;
  font-size: 1.1rem;
  max-width: 520px;
}
.cta .btn-row { justify-content: center; }

/* ── Prose (manual / privacy / license bodies) ── */
.prose { max-width: var(--measure); color: var(--text-dim); font-size: 1rem; }
.prose > * + * { margin-top: 1.1rem; }
.prose h2 {
  font-size: 1.5rem;
  color: var(--text);
  margin-top: 2.75rem;
  scroll-margin-top: 5.5rem;
}
.prose h3 {
  font-size: 1.12rem;
  color: var(--text);
  margin-top: 1.9rem;
  scroll-margin-top: 5.5rem;
}
.prose p, .prose li { line-height: 1.75; }
.prose strong { color: var(--text); font-weight: 600; }
.prose a { color: var(--blue); text-decoration: none; border-bottom: 1px solid #4f8df940; }
.prose a:hover { border-bottom-color: var(--blue); }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li + li { margin-top: 0.45rem; }
.prose code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.1em 0.4em;
  color: var(--blue);
}
.prose blockquote {
  border-left: 3px solid var(--border-hi);
  padding: 0.4rem 0 0.4rem 1.25rem;
  color: var(--text-faint);
  font-style: italic;
}
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2.5rem 0; }

/* callout box inside prose */
.note {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.35rem;
  font-size: 0.93rem;
}
.note.warn   { border-left-color: var(--amber); }
.note.accent { border-left-color: var(--accent); }
.note strong { color: var(--text); }
.note .note-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue);
  margin-bottom: 0.35rem;
}
.note.warn .note-label   { color: var(--amber); }
.note.accent .note-label { color: var(--accent); }

/* placeholder marker for manual content not finalized */
.placeholder {
  background: repeating-linear-gradient(
    -45deg, var(--surface), var(--surface) 12px, var(--surface-2) 12px, var(--surface-2) 24px);
  border: 1px dashed var(--border-hi);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.35rem;
  color: var(--text-faint);
  font-size: 0.9rem;
}
.placeholder strong { color: var(--text-dim); }

/* ── Manual layout (TOC sidebar + content) ── */
.manual-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3.5rem;
  align-items: start;
}
@media (max-width: 900px) { .manual-layout { grid-template-columns: 1fr; gap: 2rem; } }

.toc {
  position: sticky;
  top: 5.5rem;
  font-size: 0.88rem;
}
@media (max-width: 900px) {
  .toc { position: static; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem 1.5rem; background: var(--surface); }
}
.toc-label {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  margin-bottom: 0.9rem;
}
.toc ol { list-style: none; counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a {
  display: block;
  padding: 0.4rem 0;
  color: var(--text-dim);
  text-decoration: none;
  border-left: 2px solid var(--border);
  padding-left: 0.85rem;
  transition: color 0.2s, border-color 0.2s;
}
.toc a::before { content: counter(toc) ". "; color: var(--text-faint); }
.toc a:hover { color: var(--text); border-left-color: var(--accent); }

.manual-section { scroll-margin-top: 5.5rem; }
.manual-section + .manual-section { margin-top: 3.25rem; padding-top: 3.25rem; border-top: 1px solid var(--border); }
.manual-section .sec-head { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 0.4rem; }
.manual-section .sec-head h2 { font-size: 1.55rem; margin: 0; }
.manual-section .sec-num {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid #ef444440;
  border-radius: 6px;
  padding: 0.15rem 0.5rem;
}

/* ── Footer ──────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 3.5rem 1.5rem 2.5rem;
  color: var(--text-faint);
  font-size: 0.83rem;
}
.footer-cols {
  max-width: 1120px;
  margin: 0 auto 2.5rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 760px) { .footer-cols { grid-template-columns: 1fr 1fr; gap: 1.75rem; } }
@media (max-width: 440px) { .footer-cols { grid-template-columns: 1fr; } }
.footer-brand .logo { margin-bottom: 0.85rem; }
.footer-brand p { max-width: 260px; line-height: 1.6; }
.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 1rem;
}
.footer-col a {
  display: block;
  color: var(--text-faint);
  text-decoration: none;
  padding: 0.3rem 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
footer a { color: var(--text-dim); text-decoration: none; }
footer a:hover { color: var(--text); }
.footer-disclaimer {
  max-width: 1120px;
  margin: 1.25rem auto 0;
  font-size: 0.74rem;
  color: var(--text-faint);
  line-height: 1.6;
}

/* ── Reveal animation ────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-badge .dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ── Mobile spacing ──────────────────────── */
@media (max-width: 640px) {
  section { padding: 4rem 0; }
  .hero { padding: 3.5rem 0 4rem; }
  .cta { padding: 5rem 0; }
  .feature-card, .step { padding: 1.4rem; }
  .promise { padding: 1.6rem; }
  .release { padding: 1.4rem; }
}